Improvement in boilee-oleanebs



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IMPROVEMENT IN BOILER-GLEANBRS.

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TO ALL WHOM IT MAY CONCERN:

Be it known that I, GREG W. WIswELL, of Pilot Knob, in the county of Iron, and State of Missouri, have invented a new and useful device for Cleaning Steam Boilers; and I do hereby declare that the following is a full and clear description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon. i i

This invention relates to a device for producing acurrent along the bottom of a steam boiler, so as to wash the sediment up to one end thereof, from whence it may be easily removed at pleasure through the man-hole. The device consists of a tapering funnel-shaped pipe, the large end of which is to be attached to the boiler-head just below the water line, and the small end 'to the same head close to the bottom of the boiler. By this arrangementa current is produced and maintained which drives the sediment a back man-hole, from whence it may easily be removed.

To en able those skilled in the art 'to make and use my improved to describe its construction and operation.

The drawings represent sectional elevations of the apparatus applied to a boiler.

The boiler A may be of any oi the usual forms, as, for instance, Hue, tubular, or

forms the chiet` feature of this invention, will have both of its ends attached to the head-plate o, which will be perforated at b and b the proper size for the reception of the said attachments. The orifice at b will be, say, twice or three times the size of the orifice at b1, (more or less,) and the pipe B, between the two points of attachment, will diminish regularly between the two points, and the lower end IJ2 will extend a short distance inside the boiler and be somewhat flattened, so as to e'xpand the current discharged4 therefrom into a stream of suiiicient width to sweep the entire bottom of the boiler. As the area. oi' the pipe at b is very much larger than at b, a strongcurrent will be generated therein from the top downwards; owing principallyy to the difference of area exposed to the pressure, and partly, perhaps, by the cooling process that prevails in the pipe, thus compelling the cooler water to dcscen l device for cleaning boilers, I-n'ill proceed locomotive, and the tapering pipe B, which d and nd its exit in a rapid current at bi. A stop-cock,

Bi', may be placed in the pipe B to control the action of the cleaner or washer.

Having described my invention, what I claim, is The construction and arrangement ot' the pipe B, with reference to its tapering dimensions, and its flattened end b2, when applied to the boiler A, as described and shown.

GREG W. WISWELL.

Witnesses:

W. C. Dou'run'r'r,

' W. W. GRUN long the bottom of the boiler to near the 

